1d94d71cbSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
22191d657SAlexander Graf /*
32191d657SAlexander Graf *
42191d657SAlexander Graf * Copyright SUSE Linux Products GmbH 2009
52191d657SAlexander Graf *
62191d657SAlexander Graf * Authors: Alexander Graf <agraf@suse.de>
72191d657SAlexander Graf */
82191d657SAlexander Graf
92191d657SAlexander Graf #include <asm/kvm_ppc.h>
102191d657SAlexander Graf #include <asm/disassemble.h>
112191d657SAlexander Graf #include <asm/kvm_book3s.h>
122191d657SAlexander Graf #include <asm/reg.h>
1395327d08SBenjamin Herrenschmidt #include <asm/switch_to.h>
14b0a94d4eSPaul Mackerras #include <asm/time.h>
155706340aSSimon Guo #include <asm/tm.h>
165358a963SThomas Huth #include "book3s.h"
17533082aeSSimon Guo #include <asm/asm-prototypes.h>
182191d657SAlexander Graf
192191d657SAlexander Graf #define OP_19_XOP_RFID 18
202191d657SAlexander Graf #define OP_19_XOP_RFI 50
212191d657SAlexander Graf
222191d657SAlexander Graf #define OP_31_XOP_MFMSR 83
232191d657SAlexander Graf #define OP_31_XOP_MTMSR 146
242191d657SAlexander Graf #define OP_31_XOP_MTMSRD 178
252191d657SAlexander Graf #define OP_31_XOP_MTSR 210
262191d657SAlexander Graf #define OP_31_XOP_MTSRIN 242
272191d657SAlexander Graf #define OP_31_XOP_TLBIEL 274
2850c7bb80SAlexander Graf /* Opcode is officially reserved, reuse it as sc 1 when sc 1 doesn't trap */
2950c7bb80SAlexander Graf #define OP_31_XOP_FAKE_SC1 308
302191d657SAlexander Graf #define OP_31_XOP_SLBMTE 402
312191d657SAlexander Graf #define OP_31_XOP_SLBIE 434
322191d657SAlexander Graf #define OP_31_XOP_SLBIA 498
332191d657SAlexander Graf #define OP_31_XOP_MFSR 595
342191d657SAlexander Graf #define OP_31_XOP_MFSRIN 659
352191d657SAlexander Graf #define OP_31_XOP_DCBA 758
362191d657SAlexander Graf #define OP_31_XOP_SLBMFEV 851
372191d657SAlexander Graf #define OP_31_XOP_EIOIO 854
382191d657SAlexander Graf #define OP_31_XOP_SLBMFEE 915
3941a8645aSPaul Mackerras #define OP_31_XOP_SLBFEE 979
402191d657SAlexander Graf
415706340aSSimon Guo #define OP_31_XOP_TBEGIN 654
4226798f88SSimon Guo #define OP_31_XOP_TABORT 910
435706340aSSimon Guo
4403c81682SSimon Guo #define OP_31_XOP_TRECLAIM 942
45e32c53d1SSimon Guo #define OP_31_XOP_TRCHKPT 1006
4603c81682SSimon Guo
472191d657SAlexander Graf /* DCBZ is actually 1014, but we patch it to 1010 so we get a trap */
482191d657SAlexander Graf #define OP_31_XOP_DCBZ 1010
492191d657SAlexander Graf
502191d657SAlexander Graf #define OP_LFS 48
512191d657SAlexander Graf #define OP_LFD 50
522191d657SAlexander Graf #define OP_STFS 52
532191d657SAlexander Graf #define OP_STFD 54
542191d657SAlexander Graf
552191d657SAlexander Graf #define SPRN_GQR0 912
562191d657SAlexander Graf #define SPRN_GQR1 913
572191d657SAlexander Graf #define SPRN_GQR2 914
582191d657SAlexander Graf #define SPRN_GQR3 915
592191d657SAlexander Graf #define SPRN_GQR4 916
602191d657SAlexander Graf #define SPRN_GQR5 917
612191d657SAlexander Graf #define SPRN_GQR6 918
622191d657SAlexander Graf #define SPRN_GQR7 919
632191d657SAlexander Graf
64317a8fa3SAlexander Graf enum priv_level {
65317a8fa3SAlexander Graf PRIV_PROBLEM = 0,
66317a8fa3SAlexander Graf PRIV_SUPER = 1,
67317a8fa3SAlexander Graf PRIV_HYPER = 2,
68317a8fa3SAlexander Graf };
69317a8fa3SAlexander Graf
spr_allowed(struct kvm_vcpu * vcpu,enum priv_level level)70317a8fa3SAlexander Graf static bool spr_allowed(struct kvm_vcpu *vcpu, enum priv_level level)
71317a8fa3SAlexander Graf {
72317a8fa3SAlexander Graf /* PAPR VMs only access supervisor SPRs */
73317a8fa3SAlexander Graf if (vcpu->arch.papr_enabled && (level > PRIV_SUPER))
74317a8fa3SAlexander Graf return false;
75317a8fa3SAlexander Graf
76317a8fa3SAlexander Graf /* Limit user space to its own small SPR set */
775deb8e7aSAlexander Graf if ((kvmppc_get_msr(vcpu) & MSR_PR) && level > PRIV_PROBLEM)
78317a8fa3SAlexander Graf return false;
79317a8fa3SAlexander Graf
80317a8fa3SAlexander Graf return true;
81317a8fa3SAlexander Graf }
82317a8fa3SAlexander Graf
83de7ad932SSimon Guo #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
kvmppc_copyto_vcpu_tm(struct kvm_vcpu * vcpu)84de7ad932SSimon Guo static inline void kvmppc_copyto_vcpu_tm(struct kvm_vcpu *vcpu)
85de7ad932SSimon Guo {
86de7ad932SSimon Guo memcpy(&vcpu->arch.gpr_tm[0], &vcpu->arch.regs.gpr[0],
87de7ad932SSimon Guo sizeof(vcpu->arch.gpr_tm));
88de7ad932SSimon Guo memcpy(&vcpu->arch.fp_tm, &vcpu->arch.fp,
89de7ad932SSimon Guo sizeof(struct thread_fp_state));
90de7ad932SSimon Guo memcpy(&vcpu->arch.vr_tm, &vcpu->arch.vr,
91de7ad932SSimon Guo sizeof(struct thread_vr_state));
92de7ad932SSimon Guo vcpu->arch.ppr_tm = vcpu->arch.ppr;
93de7ad932SSimon Guo vcpu->arch.dscr_tm = vcpu->arch.dscr;
94de7ad932SSimon Guo vcpu->arch.amr_tm = vcpu->arch.amr;
95de7ad932SSimon Guo vcpu->arch.ctr_tm = vcpu->arch.regs.ctr;
96de7ad932SSimon Guo vcpu->arch.tar_tm = vcpu->arch.tar;
97de7ad932SSimon Guo vcpu->arch.lr_tm = vcpu->arch.regs.link;
98fd0944baSPaul Mackerras vcpu->arch.cr_tm = vcpu->arch.regs.ccr;
99de7ad932SSimon Guo vcpu->arch.xer_tm = vcpu->arch.regs.xer;
100de7ad932SSimon Guo vcpu->arch.vrsave_tm = vcpu->arch.vrsave;
101de7ad932SSimon Guo }
102de7ad932SSimon Guo
kvmppc_copyfrom_vcpu_tm(struct kvm_vcpu * vcpu)103de7ad932SSimon Guo static inline void kvmppc_copyfrom_vcpu_tm(struct kvm_vcpu *vcpu)
104de7ad932SSimon Guo {
105de7ad932SSimon Guo memcpy(&vcpu->arch.regs.gpr[0], &vcpu->arch.gpr_tm[0],
106de7ad932SSimon Guo sizeof(vcpu->arch.regs.gpr));
107de7ad932SSimon Guo memcpy(&vcpu->arch.fp, &vcpu->arch.fp_tm,
108de7ad932SSimon Guo sizeof(struct thread_fp_state));
109de7ad932SSimon Guo memcpy(&vcpu->arch.vr, &vcpu->arch.vr_tm,
110de7ad932SSimon Guo sizeof(struct thread_vr_state));
111de7ad932SSimon Guo vcpu->arch.ppr = vcpu->arch.ppr_tm;
112de7ad932SSimon Guo vcpu->arch.dscr = vcpu->arch.dscr_tm;
113de7ad932SSimon Guo vcpu->arch.amr = vcpu->arch.amr_tm;
114de7ad932SSimon Guo vcpu->arch.regs.ctr = vcpu->arch.ctr_tm;
115de7ad932SSimon Guo vcpu->arch.tar = vcpu->arch.tar_tm;
116de7ad932SSimon Guo vcpu->arch.regs.link = vcpu->arch.lr_tm;
117fd0944baSPaul Mackerras vcpu->arch.regs.ccr = vcpu->arch.cr_tm;
118de7ad932SSimon Guo vcpu->arch.regs.xer = vcpu->arch.xer_tm;
119de7ad932SSimon Guo vcpu->arch.vrsave = vcpu->arch.vrsave_tm;
120de7ad932SSimon Guo }
121de7ad932SSimon Guo
kvmppc_emulate_treclaim(struct kvm_vcpu * vcpu,int ra_val)12203c81682SSimon Guo static void kvmppc_emulate_treclaim(struct kvm_vcpu *vcpu, int ra_val)
12303c81682SSimon Guo {
12403c81682SSimon Guo unsigned long guest_msr = kvmppc_get_msr(vcpu);
12503c81682SSimon Guo int fc_val = ra_val ? ra_val : 1;
126a50623fbSPaul Mackerras uint64_t texasr;
12703c81682SSimon Guo
12803c81682SSimon Guo /* CR0 = 0 | MSR[TS] | 0 */
129fd0944baSPaul Mackerras vcpu->arch.regs.ccr = (vcpu->arch.regs.ccr & ~(CR0_MASK << CR0_SHIFT)) |
13003c81682SSimon Guo (((guest_msr & MSR_TS_MASK) >> (MSR_TS_S_LG - 1))
13103c81682SSimon Guo << CR0_SHIFT);
13203c81682SSimon Guo
13303c81682SSimon Guo preempt_disable();
134a50623fbSPaul Mackerras tm_enable();
135a50623fbSPaul Mackerras texasr = mfspr(SPRN_TEXASR);
13603c81682SSimon Guo kvmppc_save_tm_pr(vcpu);
13703c81682SSimon Guo kvmppc_copyfrom_vcpu_tm(vcpu);
13803c81682SSimon Guo
13903c81682SSimon Guo /* failure recording depends on Failure Summary bit */
140a50623fbSPaul Mackerras if (!(texasr & TEXASR_FS)) {
141a50623fbSPaul Mackerras texasr &= ~TEXASR_FC;
142a50623fbSPaul Mackerras texasr |= ((u64)fc_val << TEXASR_FC_LG) | TEXASR_FS;
14303c81682SSimon Guo
144a50623fbSPaul Mackerras texasr &= ~(TEXASR_PR | TEXASR_HV);
14503c81682SSimon Guo if (kvmppc_get_msr(vcpu) & MSR_PR)
146a50623fbSPaul Mackerras texasr |= TEXASR_PR;
14703c81682SSimon Guo
14803c81682SSimon Guo if (kvmppc_get_msr(vcpu) & MSR_HV)
149a50623fbSPaul Mackerras texasr |= TEXASR_HV;
15003c81682SSimon Guo
151a50623fbSPaul Mackerras vcpu->arch.texasr = texasr;
15203c81682SSimon Guo vcpu->arch.tfiar = kvmppc_get_pc(vcpu);
153a50623fbSPaul Mackerras mtspr(SPRN_TEXASR, texasr);
15403c81682SSimon Guo mtspr(SPRN_TFIAR, vcpu->arch.tfiar);
15503c81682SSimon Guo }
15603c81682SSimon Guo tm_disable();
15703c81682SSimon Guo /*
15803c81682SSimon Guo * treclaim need quit to non-transactional state.
15903c81682SSimon Guo */
16003c81682SSimon Guo guest_msr &= ~(MSR_TS_MASK);
16103c81682SSimon Guo kvmppc_set_msr(vcpu, guest_msr);
16203c81682SSimon Guo preempt_enable();
1637284ca8aSSimon Guo
1647284ca8aSSimon Guo if (vcpu->arch.shadow_fscr & FSCR_TAR)
1657284ca8aSSimon Guo mtspr(SPRN_TAR, vcpu->arch.tar);
16603c81682SSimon Guo }
167e32c53d1SSimon Guo
kvmppc_emulate_trchkpt(struct kvm_vcpu * vcpu)168e32c53d1SSimon Guo static void kvmppc_emulate_trchkpt(struct kvm_vcpu *vcpu)
169e32c53d1SSimon Guo {
170e32c53d1SSimon Guo unsigned long guest_msr = kvmppc_get_msr(vcpu);
171e32c53d1SSimon Guo
172e32c53d1SSimon Guo preempt_disable();
173e32c53d1SSimon Guo /*
174e32c53d1SSimon Guo * need flush FP/VEC/VSX to vcpu save area before
175e32c53d1SSimon Guo * copy.
176e32c53d1SSimon Guo */
177e32c53d1SSimon Guo kvmppc_giveup_ext(vcpu, MSR_VSX);
1787284ca8aSSimon Guo kvmppc_giveup_fac(vcpu, FSCR_TAR_LG);
179e32c53d1SSimon Guo kvmppc_copyto_vcpu_tm(vcpu);
180e32c53d1SSimon Guo kvmppc_save_tm_sprs(vcpu);
181e32c53d1SSimon Guo
182e32c53d1SSimon Guo /*
183e32c53d1SSimon Guo * as a result of trecheckpoint. set TS to suspended.
184e32c53d1SSimon Guo */
185e32c53d1SSimon Guo guest_msr &= ~(MSR_TS_MASK);
186e32c53d1SSimon Guo guest_msr |= MSR_TS_S;
187e32c53d1SSimon Guo kvmppc_set_msr(vcpu, guest_msr);
188e32c53d1SSimon Guo kvmppc_restore_tm_pr(vcpu);
189e32c53d1SSimon Guo preempt_enable();
190e32c53d1SSimon Guo }
19126798f88SSimon Guo
19226798f88SSimon Guo /* emulate tabort. at guest privilege state */
kvmppc_emulate_tabort(struct kvm_vcpu * vcpu,int ra_val)19368ab07b9SSimon Guo void kvmppc_emulate_tabort(struct kvm_vcpu *vcpu, int ra_val)
19426798f88SSimon Guo {
19526798f88SSimon Guo /* currently we only emulate tabort. but no emulation of other
19626798f88SSimon Guo * tabort variants since there is no kernel usage of them at
19726798f88SSimon Guo * present.
19826798f88SSimon Guo */
19926798f88SSimon Guo unsigned long guest_msr = kvmppc_get_msr(vcpu);
200f61e0d3cSSimon Guo uint64_t org_texasr;
20126798f88SSimon Guo
20226798f88SSimon Guo preempt_disable();
20326798f88SSimon Guo tm_enable();
204f61e0d3cSSimon Guo org_texasr = mfspr(SPRN_TEXASR);
20526798f88SSimon Guo tm_abort(ra_val);
20626798f88SSimon Guo
20726798f88SSimon Guo /* CR0 = 0 | MSR[TS] | 0 */
208fd0944baSPaul Mackerras vcpu->arch.regs.ccr = (vcpu->arch.regs.ccr & ~(CR0_MASK << CR0_SHIFT)) |
20926798f88SSimon Guo (((guest_msr & MSR_TS_MASK) >> (MSR_TS_S_LG - 1))
21026798f88SSimon Guo << CR0_SHIFT);
21126798f88SSimon Guo
21226798f88SSimon Guo vcpu->arch.texasr = mfspr(SPRN_TEXASR);
21326798f88SSimon Guo /* failure recording depends on Failure Summary bit,
21426798f88SSimon Guo * and tabort will be treated as nops in non-transactional
21526798f88SSimon Guo * state.
21626798f88SSimon Guo */
217f61e0d3cSSimon Guo if (!(org_texasr & TEXASR_FS) &&
21826798f88SSimon Guo MSR_TM_ACTIVE(guest_msr)) {
21926798f88SSimon Guo vcpu->arch.texasr &= ~(TEXASR_PR | TEXASR_HV);
22026798f88SSimon Guo if (guest_msr & MSR_PR)
22126798f88SSimon Guo vcpu->arch.texasr |= TEXASR_PR;
22226798f88SSimon Guo
22326798f88SSimon Guo if (guest_msr & MSR_HV)
22426798f88SSimon Guo vcpu->arch.texasr |= TEXASR_HV;
22526798f88SSimon Guo
22626798f88SSimon Guo vcpu->arch.tfiar = kvmppc_get_pc(vcpu);
22726798f88SSimon Guo }
22826798f88SSimon Guo tm_disable();
22926798f88SSimon Guo preempt_enable();
23026798f88SSimon Guo }
23126798f88SSimon Guo
232de7ad932SSimon Guo #endif
233de7ad932SSimon Guo
kvmppc_core_emulate_op_pr(struct kvm_vcpu * vcpu,unsigned int inst,int * advance)2348c99d345STianjia Zhang int kvmppc_core_emulate_op_pr(struct kvm_vcpu *vcpu,
2352191d657SAlexander Graf unsigned int inst, int *advance)
2362191d657SAlexander Graf {
2372191d657SAlexander Graf int emulated = EMULATE_DONE;
238c46dc9a8SAlexander Graf int rt = get_rt(inst);
239c46dc9a8SAlexander Graf int rs = get_rs(inst);
240c46dc9a8SAlexander Graf int ra = get_ra(inst);
241c46dc9a8SAlexander Graf int rb = get_rb(inst);
24242188365SAlexander Graf u32 inst_sc = 0x44000002;
2432191d657SAlexander Graf
2442191d657SAlexander Graf switch (get_op(inst)) {
24542188365SAlexander Graf case 0:
24642188365SAlexander Graf emulated = EMULATE_FAIL;
24742188365SAlexander Graf if ((kvmppc_get_msr(vcpu) & MSR_LE) &&
24842188365SAlexander Graf (inst == swab32(inst_sc))) {
24942188365SAlexander Graf /*
25042188365SAlexander Graf * This is the byte reversed syscall instruction of our
25142188365SAlexander Graf * hypercall handler. Early versions of LE Linux didn't
25242188365SAlexander Graf * swap the instructions correctly and ended up in
25342188365SAlexander Graf * illegal instructions.
25442188365SAlexander Graf * Just always fail hypercalls on these broken systems.
25542188365SAlexander Graf */
25642188365SAlexander Graf kvmppc_set_gpr(vcpu, 3, EV_UNIMPLEMENTED);
25742188365SAlexander Graf kvmppc_set_pc(vcpu, kvmppc_get_pc(vcpu) + 4);
25842188365SAlexander Graf emulated = EMULATE_DONE;
25942188365SAlexander Graf }
26042188365SAlexander Graf break;
2612191d657SAlexander Graf case 19:
2622191d657SAlexander Graf switch (get_xop(inst)) {
2632191d657SAlexander Graf case OP_19_XOP_RFID:
264401a89e9SSimon Guo case OP_19_XOP_RFI: {
265401a89e9SSimon Guo unsigned long srr1 = kvmppc_get_srr1(vcpu);
266401a89e9SSimon Guo #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
267401a89e9SSimon Guo unsigned long cur_msr = kvmppc_get_msr(vcpu);
268401a89e9SSimon Guo
269401a89e9SSimon Guo /*
270401a89e9SSimon Guo * add rules to fit in ISA specification regarding TM
271*1fd02f66SJulia Lawall * state transition in TM disable/Suspended state,
272401a89e9SSimon Guo * and target TM state is TM inactive(00) state. (the
273401a89e9SSimon Guo * change should be suppressed).
274401a89e9SSimon Guo */
275401a89e9SSimon Guo if (((cur_msr & MSR_TM) == 0) &&
276401a89e9SSimon Guo ((srr1 & MSR_TM) == 0) &&
277401a89e9SSimon Guo MSR_TM_SUSPENDED(cur_msr) &&
278401a89e9SSimon Guo !MSR_TM_ACTIVE(srr1))
279401a89e9SSimon Guo srr1 |= MSR_TS_S;
280401a89e9SSimon Guo #endif
2815deb8e7aSAlexander Graf kvmppc_set_pc(vcpu, kvmppc_get_srr0(vcpu));
282401a89e9SSimon Guo kvmppc_set_msr(vcpu, srr1);
2832191d657SAlexander Graf *advance = 0;
2842191d657SAlexander Graf break;
285401a89e9SSimon Guo }
2862191d657SAlexander Graf
2872191d657SAlexander Graf default:
2882191d657SAlexander Graf emulated = EMULATE_FAIL;
2892191d657SAlexander Graf break;
2902191d657SAlexander Graf }
2912191d657SAlexander Graf break;
2922191d657SAlexander Graf case 31:
2932191d657SAlexander Graf switch (get_xop(inst)) {
2942191d657SAlexander Graf case OP_31_XOP_MFMSR:
2955deb8e7aSAlexander Graf kvmppc_set_gpr(vcpu, rt, kvmppc_get_msr(vcpu));
2962191d657SAlexander Graf break;
2972191d657SAlexander Graf case OP_31_XOP_MTMSRD:
2982191d657SAlexander Graf {
299c46dc9a8SAlexander Graf ulong rs_val = kvmppc_get_gpr(vcpu, rs);
3002191d657SAlexander Graf if (inst & 0x10000) {
3015deb8e7aSAlexander Graf ulong new_msr = kvmppc_get_msr(vcpu);
302c46dc9a8SAlexander Graf new_msr &= ~(MSR_RI | MSR_EE);
303c46dc9a8SAlexander Graf new_msr |= rs_val & (MSR_RI | MSR_EE);
3045deb8e7aSAlexander Graf kvmppc_set_msr_fast(vcpu, new_msr);
3052191d657SAlexander Graf } else
306c46dc9a8SAlexander Graf kvmppc_set_msr(vcpu, rs_val);
3072191d657SAlexander Graf break;
3082191d657SAlexander Graf }
3092191d657SAlexander Graf case OP_31_XOP_MTMSR:
310c46dc9a8SAlexander Graf kvmppc_set_msr(vcpu, kvmppc_get_gpr(vcpu, rs));
3112191d657SAlexander Graf break;
3122191d657SAlexander Graf case OP_31_XOP_MFSR:
3132191d657SAlexander Graf {
3142191d657SAlexander Graf int srnum;
3152191d657SAlexander Graf
3162191d657SAlexander Graf srnum = kvmppc_get_field(inst, 12 + 32, 15 + 32);
3172191d657SAlexander Graf if (vcpu->arch.mmu.mfsrin) {
3182191d657SAlexander Graf u32 sr;
3192191d657SAlexander Graf sr = vcpu->arch.mmu.mfsrin(vcpu, srnum);
320c46dc9a8SAlexander Graf kvmppc_set_gpr(vcpu, rt, sr);
3212191d657SAlexander Graf }
3222191d657SAlexander Graf break;
3232191d657SAlexander Graf }
3242191d657SAlexander Graf case OP_31_XOP_MFSRIN:
3252191d657SAlexander Graf {
3262191d657SAlexander Graf int srnum;
3272191d657SAlexander Graf
328c46dc9a8SAlexander Graf srnum = (kvmppc_get_gpr(vcpu, rb) >> 28) & 0xf;
3292191d657SAlexander Graf if (vcpu->arch.mmu.mfsrin) {
3302191d657SAlexander Graf u32 sr;
3312191d657SAlexander Graf sr = vcpu->arch.mmu.mfsrin(vcpu, srnum);
332c46dc9a8SAlexander Graf kvmppc_set_gpr(vcpu, rt, sr);
3332191d657SAlexander Graf }
3342191d657SAlexander Graf break;
3352191d657SAlexander Graf }
3362191d657SAlexander Graf case OP_31_XOP_MTSR:
3372191d657SAlexander Graf vcpu->arch.mmu.mtsrin(vcpu,
3382191d657SAlexander Graf (inst >> 16) & 0xf,
339c46dc9a8SAlexander Graf kvmppc_get_gpr(vcpu, rs));
3402191d657SAlexander Graf break;
3412191d657SAlexander Graf case OP_31_XOP_MTSRIN:
3422191d657SAlexander Graf vcpu->arch.mmu.mtsrin(vcpu,
343c46dc9a8SAlexander Graf (kvmppc_get_gpr(vcpu, rb) >> 28) & 0xf,
344c46dc9a8SAlexander Graf kvmppc_get_gpr(vcpu, rs));
3452191d657SAlexander Graf break;
3462191d657SAlexander Graf case OP_31_XOP_TLBIE:
3472191d657SAlexander Graf case OP_31_XOP_TLBIEL:
3482191d657SAlexander Graf {
3492191d657SAlexander Graf bool large = (inst & 0x00200000) ? true : false;
350c46dc9a8SAlexander Graf ulong addr = kvmppc_get_gpr(vcpu, rb);
3512191d657SAlexander Graf vcpu->arch.mmu.tlbie(vcpu, addr, large);
3522191d657SAlexander Graf break;
3532191d657SAlexander Graf }
3542ba9f0d8SAneesh Kumar K.V #ifdef CONFIG_PPC_BOOK3S_64
35550c7bb80SAlexander Graf case OP_31_XOP_FAKE_SC1:
35650c7bb80SAlexander Graf {
35750c7bb80SAlexander Graf /* SC 1 papr hypercalls */
35850c7bb80SAlexander Graf ulong cmd = kvmppc_get_gpr(vcpu, 3);
35950c7bb80SAlexander Graf int i;
36050c7bb80SAlexander Graf
3615deb8e7aSAlexander Graf if ((kvmppc_get_msr(vcpu) & MSR_PR) ||
36250c7bb80SAlexander Graf !vcpu->arch.papr_enabled) {
36350c7bb80SAlexander Graf emulated = EMULATE_FAIL;
36450c7bb80SAlexander Graf break;
36550c7bb80SAlexander Graf }
36650c7bb80SAlexander Graf
36750c7bb80SAlexander Graf if (kvmppc_h_pr(vcpu, cmd) == EMULATE_DONE)
36850c7bb80SAlexander Graf break;
36950c7bb80SAlexander Graf
3708c99d345STianjia Zhang vcpu->run->papr_hcall.nr = cmd;
37150c7bb80SAlexander Graf for (i = 0; i < 9; ++i) {
37250c7bb80SAlexander Graf ulong gpr = kvmppc_get_gpr(vcpu, 4 + i);
3738c99d345STianjia Zhang vcpu->run->papr_hcall.args[i] = gpr;
37450c7bb80SAlexander Graf }
37550c7bb80SAlexander Graf
3768c99d345STianjia Zhang vcpu->run->exit_reason = KVM_EXIT_PAPR_HCALL;
3770f47f9b5SBharat Bhushan vcpu->arch.hcall_needed = 1;
378c402a3f4SBharat Bhushan emulated = EMULATE_EXIT_USER;
37950c7bb80SAlexander Graf break;
38050c7bb80SAlexander Graf }
38150c7bb80SAlexander Graf #endif
3822191d657SAlexander Graf case OP_31_XOP_EIOIO:
3832191d657SAlexander Graf break;
3842191d657SAlexander Graf case OP_31_XOP_SLBMTE:
3852191d657SAlexander Graf if (!vcpu->arch.mmu.slbmte)
3862191d657SAlexander Graf return EMULATE_FAIL;
3872191d657SAlexander Graf
3882191d657SAlexander Graf vcpu->arch.mmu.slbmte(vcpu,
389c46dc9a8SAlexander Graf kvmppc_get_gpr(vcpu, rs),
390c46dc9a8SAlexander Graf kvmppc_get_gpr(vcpu, rb));
3912191d657SAlexander Graf break;
3922191d657SAlexander Graf case OP_31_XOP_SLBIE:
3932191d657SAlexander Graf if (!vcpu->arch.mmu.slbie)
3942191d657SAlexander Graf return EMULATE_FAIL;
3952191d657SAlexander Graf
3962191d657SAlexander Graf vcpu->arch.mmu.slbie(vcpu,
397c46dc9a8SAlexander Graf kvmppc_get_gpr(vcpu, rb));
3982191d657SAlexander Graf break;
3992191d657SAlexander Graf case OP_31_XOP_SLBIA:
4002191d657SAlexander Graf if (!vcpu->arch.mmu.slbia)
4012191d657SAlexander Graf return EMULATE_FAIL;
4022191d657SAlexander Graf
4032191d657SAlexander Graf vcpu->arch.mmu.slbia(vcpu);
4042191d657SAlexander Graf break;
40541a8645aSPaul Mackerras case OP_31_XOP_SLBFEE:
40641a8645aSPaul Mackerras if (!(inst & 1) || !vcpu->arch.mmu.slbfee) {
40741a8645aSPaul Mackerras return EMULATE_FAIL;
40841a8645aSPaul Mackerras } else {
40941a8645aSPaul Mackerras ulong b, t;
41041a8645aSPaul Mackerras ulong cr = kvmppc_get_cr(vcpu) & ~CR0_MASK;
41141a8645aSPaul Mackerras
41241a8645aSPaul Mackerras b = kvmppc_get_gpr(vcpu, rb);
41341a8645aSPaul Mackerras if (!vcpu->arch.mmu.slbfee(vcpu, b, &t))
41441a8645aSPaul Mackerras cr |= 2 << CR0_SHIFT;
41541a8645aSPaul Mackerras kvmppc_set_gpr(vcpu, rt, t);
41641a8645aSPaul Mackerras /* copy XER[SO] bit to CR0[SO] */
41741a8645aSPaul Mackerras cr |= (vcpu->arch.regs.xer & 0x80000000) >>
41841a8645aSPaul Mackerras (31 - CR0_SHIFT);
41941a8645aSPaul Mackerras kvmppc_set_cr(vcpu, cr);
42041a8645aSPaul Mackerras }
42141a8645aSPaul Mackerras break;
4222191d657SAlexander Graf case OP_31_XOP_SLBMFEE:
4232191d657SAlexander Graf if (!vcpu->arch.mmu.slbmfee) {
4242191d657SAlexander Graf emulated = EMULATE_FAIL;
4252191d657SAlexander Graf } else {
426c46dc9a8SAlexander Graf ulong t, rb_val;
4272191d657SAlexander Graf
428c46dc9a8SAlexander Graf rb_val = kvmppc_get_gpr(vcpu, rb);
429c46dc9a8SAlexander Graf t = vcpu->arch.mmu.slbmfee(vcpu, rb_val);
430c46dc9a8SAlexander Graf kvmppc_set_gpr(vcpu, rt, t);
4312191d657SAlexander Graf }
4322191d657SAlexander Graf break;
4332191d657SAlexander Graf case OP_31_XOP_SLBMFEV:
4342191d657SAlexander Graf if (!vcpu->arch.mmu.slbmfev) {
4352191d657SAlexander Graf emulated = EMULATE_FAIL;
4362191d657SAlexander Graf } else {
437c46dc9a8SAlexander Graf ulong t, rb_val;
4382191d657SAlexander Graf
439c46dc9a8SAlexander Graf rb_val = kvmppc_get_gpr(vcpu, rb);
440c46dc9a8SAlexander Graf t = vcpu->arch.mmu.slbmfev(vcpu, rb_val);
441c46dc9a8SAlexander Graf kvmppc_set_gpr(vcpu, rt, t);
4422191d657SAlexander Graf }
4432191d657SAlexander Graf break;
4442191d657SAlexander Graf case OP_31_XOP_DCBA:
4452191d657SAlexander Graf /* Gets treated as NOP */
4462191d657SAlexander Graf break;
4472191d657SAlexander Graf case OP_31_XOP_DCBZ:
4482191d657SAlexander Graf {
449c46dc9a8SAlexander Graf ulong rb_val = kvmppc_get_gpr(vcpu, rb);
450c46dc9a8SAlexander Graf ulong ra_val = 0;
4512191d657SAlexander Graf ulong addr, vaddr;
4522191d657SAlexander Graf u32 zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
4532191d657SAlexander Graf u32 dsisr;
4542191d657SAlexander Graf int r;
4552191d657SAlexander Graf
456c46dc9a8SAlexander Graf if (ra)
457c46dc9a8SAlexander Graf ra_val = kvmppc_get_gpr(vcpu, ra);
4582191d657SAlexander Graf
459c46dc9a8SAlexander Graf addr = (ra_val + rb_val) & ~31ULL;
4605deb8e7aSAlexander Graf if (!(kvmppc_get_msr(vcpu) & MSR_SF))
4612191d657SAlexander Graf addr &= 0xffffffff;
4622191d657SAlexander Graf vaddr = addr;
4632191d657SAlexander Graf
4642191d657SAlexander Graf r = kvmppc_st(vcpu, &addr, 32, zeros, true);
4652191d657SAlexander Graf if ((r == -ENOENT) || (r == -EPERM)) {
4662191d657SAlexander Graf *advance = 0;
4675deb8e7aSAlexander Graf kvmppc_set_dar(vcpu, vaddr);
468a2d56020SPaul Mackerras vcpu->arch.fault_dar = vaddr;
4692191d657SAlexander Graf
4702191d657SAlexander Graf dsisr = DSISR_ISSTORE;
4712191d657SAlexander Graf if (r == -ENOENT)
4722191d657SAlexander Graf dsisr |= DSISR_NOHPTE;
4732191d657SAlexander Graf else if (r == -EPERM)
4742191d657SAlexander Graf dsisr |= DSISR_PROTFAULT;
4752191d657SAlexander Graf
4765deb8e7aSAlexander Graf kvmppc_set_dsisr(vcpu, dsisr);
477a2d56020SPaul Mackerras vcpu->arch.fault_dsisr = dsisr;
4782191d657SAlexander Graf
4792191d657SAlexander Graf kvmppc_book3s_queue_irqprio(vcpu,
4802191d657SAlexander Graf BOOK3S_INTERRUPT_DATA_STORAGE);
4812191d657SAlexander Graf }
4822191d657SAlexander Graf
4832191d657SAlexander Graf break;
4842191d657SAlexander Graf }
4855706340aSSimon Guo #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
4865706340aSSimon Guo case OP_31_XOP_TBEGIN:
4875706340aSSimon Guo {
4885706340aSSimon Guo if (!cpu_has_feature(CPU_FTR_TM))
4895706340aSSimon Guo break;
4905706340aSSimon Guo
4915706340aSSimon Guo if (!(kvmppc_get_msr(vcpu) & MSR_TM)) {
4925706340aSSimon Guo kvmppc_trigger_fac_interrupt(vcpu, FSCR_TM_LG);
4935706340aSSimon Guo emulated = EMULATE_AGAIN;
4945706340aSSimon Guo break;
4955706340aSSimon Guo }
4965706340aSSimon Guo
4975706340aSSimon Guo if (!(kvmppc_get_msr(vcpu) & MSR_PR)) {
4985706340aSSimon Guo preempt_disable();
499fd0944baSPaul Mackerras vcpu->arch.regs.ccr = (CR0_TBEGIN_FAILURE |
500fd0944baSPaul Mackerras (vcpu->arch.regs.ccr & ~(CR0_MASK << CR0_SHIFT)));
5015706340aSSimon Guo
5025706340aSSimon Guo vcpu->arch.texasr = (TEXASR_FS | TEXASR_EXACT |
5035706340aSSimon Guo (((u64)(TM_CAUSE_EMULATE | TM_CAUSE_PERSISTENT))
5045706340aSSimon Guo << TEXASR_FC_LG));
5055706340aSSimon Guo
5065706340aSSimon Guo if ((inst >> 21) & 0x1)
5075706340aSSimon Guo vcpu->arch.texasr |= TEXASR_ROT;
5085706340aSSimon Guo
5095706340aSSimon Guo if (kvmppc_get_msr(vcpu) & MSR_HV)
5105706340aSSimon Guo vcpu->arch.texasr |= TEXASR_HV;
5115706340aSSimon Guo
5125706340aSSimon Guo vcpu->arch.tfhar = kvmppc_get_pc(vcpu) + 4;
5135706340aSSimon Guo vcpu->arch.tfiar = kvmppc_get_pc(vcpu);
5145706340aSSimon Guo
5155706340aSSimon Guo kvmppc_restore_tm_sprs(vcpu);
5165706340aSSimon Guo preempt_enable();
5175706340aSSimon Guo } else
5185706340aSSimon Guo emulated = EMULATE_FAIL;
5195706340aSSimon Guo break;
5205706340aSSimon Guo }
52126798f88SSimon Guo case OP_31_XOP_TABORT:
52226798f88SSimon Guo {
52326798f88SSimon Guo ulong guest_msr = kvmppc_get_msr(vcpu);
52426798f88SSimon Guo unsigned long ra_val = 0;
52526798f88SSimon Guo
52626798f88SSimon Guo if (!cpu_has_feature(CPU_FTR_TM))
52726798f88SSimon Guo break;
52826798f88SSimon Guo
52926798f88SSimon Guo if (!(kvmppc_get_msr(vcpu) & MSR_TM)) {
53026798f88SSimon Guo kvmppc_trigger_fac_interrupt(vcpu, FSCR_TM_LG);
53126798f88SSimon Guo emulated = EMULATE_AGAIN;
53226798f88SSimon Guo break;
53326798f88SSimon Guo }
53426798f88SSimon Guo
53526798f88SSimon Guo /* only emulate for privilege guest, since problem state
53626798f88SSimon Guo * guest can run with TM enabled and we don't expect to
53726798f88SSimon Guo * trap at here for that case.
53826798f88SSimon Guo */
53926798f88SSimon Guo WARN_ON(guest_msr & MSR_PR);
54026798f88SSimon Guo
54126798f88SSimon Guo if (ra)
54226798f88SSimon Guo ra_val = kvmppc_get_gpr(vcpu, ra);
54326798f88SSimon Guo
54426798f88SSimon Guo kvmppc_emulate_tabort(vcpu, ra_val);
54526798f88SSimon Guo break;
54626798f88SSimon Guo }
54703c81682SSimon Guo case OP_31_XOP_TRECLAIM:
54803c81682SSimon Guo {
54903c81682SSimon Guo ulong guest_msr = kvmppc_get_msr(vcpu);
55003c81682SSimon Guo unsigned long ra_val = 0;
55103c81682SSimon Guo
55203c81682SSimon Guo if (!cpu_has_feature(CPU_FTR_TM))
55303c81682SSimon Guo break;
55403c81682SSimon Guo
55503c81682SSimon Guo if (!(kvmppc_get_msr(vcpu) & MSR_TM)) {
55603c81682SSimon Guo kvmppc_trigger_fac_interrupt(vcpu, FSCR_TM_LG);
55703c81682SSimon Guo emulated = EMULATE_AGAIN;
55803c81682SSimon Guo break;
55903c81682SSimon Guo }
56003c81682SSimon Guo
56103c81682SSimon Guo /* generate interrupts based on priorities */
56203c81682SSimon Guo if (guest_msr & MSR_PR) {
56303c81682SSimon Guo /* Privileged Instruction type Program Interrupt */
56403c81682SSimon Guo kvmppc_core_queue_program(vcpu, SRR1_PROGPRIV);
56503c81682SSimon Guo emulated = EMULATE_AGAIN;
56603c81682SSimon Guo break;
56703c81682SSimon Guo }
56803c81682SSimon Guo
56903c81682SSimon Guo if (!MSR_TM_ACTIVE(guest_msr)) {
57003c81682SSimon Guo /* TM bad thing interrupt */
57103c81682SSimon Guo kvmppc_core_queue_program(vcpu, SRR1_PROGTM);
57203c81682SSimon Guo emulated = EMULATE_AGAIN;
57303c81682SSimon Guo break;
57403c81682SSimon Guo }
57503c81682SSimon Guo
57603c81682SSimon Guo if (ra)
57703c81682SSimon Guo ra_val = kvmppc_get_gpr(vcpu, ra);
57803c81682SSimon Guo kvmppc_emulate_treclaim(vcpu, ra_val);
57903c81682SSimon Guo break;
58003c81682SSimon Guo }
581e32c53d1SSimon Guo case OP_31_XOP_TRCHKPT:
582e32c53d1SSimon Guo {
583e32c53d1SSimon Guo ulong guest_msr = kvmppc_get_msr(vcpu);
584e32c53d1SSimon Guo unsigned long texasr;
585e32c53d1SSimon Guo
586e32c53d1SSimon Guo if (!cpu_has_feature(CPU_FTR_TM))
587e32c53d1SSimon Guo break;
588e32c53d1SSimon Guo
589e32c53d1SSimon Guo if (!(kvmppc_get_msr(vcpu) & MSR_TM)) {
590e32c53d1SSimon Guo kvmppc_trigger_fac_interrupt(vcpu, FSCR_TM_LG);
591e32c53d1SSimon Guo emulated = EMULATE_AGAIN;
592e32c53d1SSimon Guo break;
593e32c53d1SSimon Guo }
594e32c53d1SSimon Guo
595e32c53d1SSimon Guo /* generate interrupt based on priorities */
596e32c53d1SSimon Guo if (guest_msr & MSR_PR) {
597e32c53d1SSimon Guo /* Privileged Instruction type Program Intr */
598e32c53d1SSimon Guo kvmppc_core_queue_program(vcpu, SRR1_PROGPRIV);
599e32c53d1SSimon Guo emulated = EMULATE_AGAIN;
600e32c53d1SSimon Guo break;
601e32c53d1SSimon Guo }
602e32c53d1SSimon Guo
603e32c53d1SSimon Guo tm_enable();
604e32c53d1SSimon Guo texasr = mfspr(SPRN_TEXASR);
605e32c53d1SSimon Guo tm_disable();
606e32c53d1SSimon Guo
607e32c53d1SSimon Guo if (MSR_TM_ACTIVE(guest_msr) ||
608e32c53d1SSimon Guo !(texasr & (TEXASR_FS))) {
609e32c53d1SSimon Guo /* TM bad thing interrupt */
610e32c53d1SSimon Guo kvmppc_core_queue_program(vcpu, SRR1_PROGTM);
611e32c53d1SSimon Guo emulated = EMULATE_AGAIN;
612e32c53d1SSimon Guo break;
613e32c53d1SSimon Guo }
614e32c53d1SSimon Guo
615e32c53d1SSimon Guo kvmppc_emulate_trchkpt(vcpu);
616e32c53d1SSimon Guo break;
617e32c53d1SSimon Guo }
6185706340aSSimon Guo #endif
6192191d657SAlexander Graf default:
6202191d657SAlexander Graf emulated = EMULATE_FAIL;
6212191d657SAlexander Graf }
6222191d657SAlexander Graf break;
6232191d657SAlexander Graf default:
6242191d657SAlexander Graf emulated = EMULATE_FAIL;
6252191d657SAlexander Graf }
6262191d657SAlexander Graf
6272191d657SAlexander Graf if (emulated == EMULATE_FAIL)
6288c99d345STianjia Zhang emulated = kvmppc_emulate_paired_single(vcpu);
6292191d657SAlexander Graf
6302191d657SAlexander Graf return emulated;
6312191d657SAlexander Graf }
6322191d657SAlexander Graf
kvmppc_set_bat(struct kvm_vcpu * vcpu,struct kvmppc_bat * bat,bool upper,u32 val)6332191d657SAlexander Graf void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, bool upper,
6342191d657SAlexander Graf u32 val)
6352191d657SAlexander Graf {
6362191d657SAlexander Graf if (upper) {
6372191d657SAlexander Graf /* Upper BAT */
6382191d657SAlexander Graf u32 bl = (val >> 2) & 0x7ff;
6392191d657SAlexander Graf bat->bepi_mask = (~bl << 17);
6402191d657SAlexander Graf bat->bepi = val & 0xfffe0000;
6412191d657SAlexander Graf bat->vs = (val & 2) ? 1 : 0;
6422191d657SAlexander Graf bat->vp = (val & 1) ? 1 : 0;
6432191d657SAlexander Graf bat->raw = (bat->raw & 0xffffffff00000000ULL) | val;
6442191d657SAlexander Graf } else {
6452191d657SAlexander Graf /* Lower BAT */
6462191d657SAlexander Graf bat->brpn = val & 0xfffe0000;
6472191d657SAlexander Graf bat->wimg = (val >> 3) & 0xf;
6482191d657SAlexander Graf bat->pp = val & 3;
6492191d657SAlexander Graf bat->raw = (bat->raw & 0x00000000ffffffffULL) | ((u64)val << 32);
6502191d657SAlexander Graf }
6512191d657SAlexander Graf }
6522191d657SAlexander Graf
kvmppc_find_bat(struct kvm_vcpu * vcpu,int sprn)653c1c88e2fSAlexander Graf static struct kvmppc_bat *kvmppc_find_bat(struct kvm_vcpu *vcpu, int sprn)
6542191d657SAlexander Graf {
6552191d657SAlexander Graf struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
6562191d657SAlexander Graf struct kvmppc_bat *bat;
6572191d657SAlexander Graf
6582191d657SAlexander Graf switch (sprn) {
6592191d657SAlexander Graf case SPRN_IBAT0U ... SPRN_IBAT3L:
6602191d657SAlexander Graf bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT0U) / 2];
6612191d657SAlexander Graf break;
6622191d657SAlexander Graf case SPRN_IBAT4U ... SPRN_IBAT7L:
6632191d657SAlexander Graf bat = &vcpu_book3s->ibat[4 + ((sprn - SPRN_IBAT4U) / 2)];
6642191d657SAlexander Graf break;
6652191d657SAlexander Graf case SPRN_DBAT0U ... SPRN_DBAT3L:
6662191d657SAlexander Graf bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT0U) / 2];
6672191d657SAlexander Graf break;
6682191d657SAlexander Graf case SPRN_DBAT4U ... SPRN_DBAT7L:
6692191d657SAlexander Graf bat = &vcpu_book3s->dbat[4 + ((sprn - SPRN_DBAT4U) / 2)];
6702191d657SAlexander Graf break;
6712191d657SAlexander Graf default:
6722191d657SAlexander Graf BUG();
6732191d657SAlexander Graf }
6742191d657SAlexander Graf
675c1c88e2fSAlexander Graf return bat;
6762191d657SAlexander Graf }
6772191d657SAlexander Graf
kvmppc_core_emulate_mtspr_pr(struct kvm_vcpu * vcpu,int sprn,ulong spr_val)6783a167beaSAneesh Kumar K.V int kvmppc_core_emulate_mtspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
6792191d657SAlexander Graf {
6802191d657SAlexander Graf int emulated = EMULATE_DONE;
6812191d657SAlexander Graf
6822191d657SAlexander Graf switch (sprn) {
6832191d657SAlexander Graf case SPRN_SDR1:
684317a8fa3SAlexander Graf if (!spr_allowed(vcpu, PRIV_HYPER))
685317a8fa3SAlexander Graf goto unprivileged;
6862191d657SAlexander Graf to_book3s(vcpu)->sdr1 = spr_val;
6872191d657SAlexander Graf break;
6882191d657SAlexander Graf case SPRN_DSISR:
6895deb8e7aSAlexander Graf kvmppc_set_dsisr(vcpu, spr_val);
6902191d657SAlexander Graf break;
6912191d657SAlexander Graf case SPRN_DAR:
6925deb8e7aSAlexander Graf kvmppc_set_dar(vcpu, spr_val);
6932191d657SAlexander Graf break;
6942191d657SAlexander Graf case SPRN_HIOR:
6952191d657SAlexander Graf to_book3s(vcpu)->hior = spr_val;
6962191d657SAlexander Graf break;
6972191d657SAlexander Graf case SPRN_IBAT0U ... SPRN_IBAT3L:
6982191d657SAlexander Graf case SPRN_IBAT4U ... SPRN_IBAT7L:
6992191d657SAlexander Graf case SPRN_DBAT0U ... SPRN_DBAT3L:
7002191d657SAlexander Graf case SPRN_DBAT4U ... SPRN_DBAT7L:
701c1c88e2fSAlexander Graf {
702c1c88e2fSAlexander Graf struct kvmppc_bat *bat = kvmppc_find_bat(vcpu, sprn);
703c1c88e2fSAlexander Graf
704c1c88e2fSAlexander Graf kvmppc_set_bat(vcpu, bat, !(sprn % 2), (u32)spr_val);
7052191d657SAlexander Graf /* BAT writes happen so rarely that we're ok to flush
7062191d657SAlexander Graf * everything here */
7072191d657SAlexander Graf kvmppc_mmu_pte_flush(vcpu, 0, 0);
7082191d657SAlexander Graf kvmppc_mmu_flush_segments(vcpu);
7092191d657SAlexander Graf break;
710c1c88e2fSAlexander Graf }
7112191d657SAlexander Graf case SPRN_HID0:
7122191d657SAlexander Graf to_book3s(vcpu)->hid[0] = spr_val;
7132191d657SAlexander Graf break;
7142191d657SAlexander Graf case SPRN_HID1:
7152191d657SAlexander Graf to_book3s(vcpu)->hid[1] = spr_val;
7162191d657SAlexander Graf break;
7172191d657SAlexander Graf case SPRN_HID2:
7182191d657SAlexander Graf to_book3s(vcpu)->hid[2] = spr_val;
7192191d657SAlexander Graf break;
7202191d657SAlexander Graf case SPRN_HID2_GEKKO:
7212191d657SAlexander Graf to_book3s(vcpu)->hid[2] = spr_val;
7222191d657SAlexander Graf /* HID2.PSE controls paired single on gekko */
7232191d657SAlexander Graf switch (vcpu->arch.pvr) {
7242191d657SAlexander Graf case 0x00080200: /* lonestar 2.0 */
7252191d657SAlexander Graf case 0x00088202: /* lonestar 2.2 */
7262191d657SAlexander Graf case 0x70000100: /* gekko 1.0 */
7272191d657SAlexander Graf case 0x00080100: /* gekko 2.0 */
7282191d657SAlexander Graf case 0x00083203: /* gekko 2.3a */
7292191d657SAlexander Graf case 0x00083213: /* gekko 2.3b */
7302191d657SAlexander Graf case 0x00083204: /* gekko 2.4 */
7312191d657SAlexander Graf case 0x00083214: /* gekko 2.4e (8SE) - retail HW2 */
732b83d4a9cSAlexander Graf case 0x00087200: /* broadway */
733b83d4a9cSAlexander Graf if (vcpu->arch.hflags & BOOK3S_HFLAG_NATIVE_PS) {
734b83d4a9cSAlexander Graf /* Native paired singles */
735b83d4a9cSAlexander Graf } else if (spr_val & (1 << 29)) { /* HID2.PSE */
7362191d657SAlexander Graf vcpu->arch.hflags |= BOOK3S_HFLAG_PAIRED_SINGLE;
7372191d657SAlexander Graf kvmppc_giveup_ext(vcpu, MSR_FP);
7382191d657SAlexander Graf } else {
7392191d657SAlexander Graf vcpu->arch.hflags &= ~BOOK3S_HFLAG_PAIRED_SINGLE;
7402191d657SAlexander Graf }
7412191d657SAlexander Graf break;
7422191d657SAlexander Graf }
7432191d657SAlexander Graf break;
7442191d657SAlexander Graf case SPRN_HID4:
7452191d657SAlexander Graf case SPRN_HID4_GEKKO:
7462191d657SAlexander Graf to_book3s(vcpu)->hid[4] = spr_val;
7472191d657SAlexander Graf break;
7482191d657SAlexander Graf case SPRN_HID5:
7492191d657SAlexander Graf to_book3s(vcpu)->hid[5] = spr_val;
7502191d657SAlexander Graf /* guest HID5 set can change is_dcbz32 */
7512191d657SAlexander Graf if (vcpu->arch.mmu.is_dcbz32(vcpu) &&
7522191d657SAlexander Graf (mfmsr() & MSR_HV))
7532191d657SAlexander Graf vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32;
7542191d657SAlexander Graf break;
7552191d657SAlexander Graf case SPRN_GQR0:
7562191d657SAlexander Graf case SPRN_GQR1:
7572191d657SAlexander Graf case SPRN_GQR2:
7582191d657SAlexander Graf case SPRN_GQR3:
7592191d657SAlexander Graf case SPRN_GQR4:
7602191d657SAlexander Graf case SPRN_GQR5:
7612191d657SAlexander Graf case SPRN_GQR6:
7622191d657SAlexander Graf case SPRN_GQR7:
7632191d657SAlexander Graf to_book3s(vcpu)->gqr[sprn - SPRN_GQR0] = spr_val;
7642191d657SAlexander Graf break;
7652e23f544SAlexander Graf #ifdef CONFIG_PPC_BOOK3S_64
7668e6afa36SAlexander Graf case SPRN_FSCR:
7678e6afa36SAlexander Graf kvmppc_set_fscr(vcpu, spr_val);
7688e6afa36SAlexander Graf break;
7692e23f544SAlexander Graf case SPRN_BESCR:
7702e23f544SAlexander Graf vcpu->arch.bescr = spr_val;
7712e23f544SAlexander Graf break;
7722e23f544SAlexander Graf case SPRN_EBBHR:
7732e23f544SAlexander Graf vcpu->arch.ebbhr = spr_val;
7742e23f544SAlexander Graf break;
7752e23f544SAlexander Graf case SPRN_EBBRR:
7762e23f544SAlexander Graf vcpu->arch.ebbrr = spr_val;
7772e23f544SAlexander Graf break;
7789916d57eSAlexander Graf #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
7799916d57eSAlexander Graf case SPRN_TFHAR:
7809916d57eSAlexander Graf case SPRN_TEXASR:
7819916d57eSAlexander Graf case SPRN_TFIAR:
782533082aeSSimon Guo if (!cpu_has_feature(CPU_FTR_TM))
783533082aeSSimon Guo break;
784533082aeSSimon Guo
785533082aeSSimon Guo if (!(kvmppc_get_msr(vcpu) & MSR_TM)) {
786533082aeSSimon Guo kvmppc_trigger_fac_interrupt(vcpu, FSCR_TM_LG);
787533082aeSSimon Guo emulated = EMULATE_AGAIN;
788533082aeSSimon Guo break;
789533082aeSSimon Guo }
790533082aeSSimon Guo
791533082aeSSimon Guo if (MSR_TM_ACTIVE(kvmppc_get_msr(vcpu)) &&
792533082aeSSimon Guo !((MSR_TM_SUSPENDED(kvmppc_get_msr(vcpu))) &&
793533082aeSSimon Guo (sprn == SPRN_TFHAR))) {
794533082aeSSimon Guo /* it is illegal to mtspr() TM regs in
795533082aeSSimon Guo * other than non-transactional state, with
796533082aeSSimon Guo * the exception of TFHAR in suspend state.
797533082aeSSimon Guo */
798533082aeSSimon Guo kvmppc_core_queue_program(vcpu, SRR1_PROGTM);
799533082aeSSimon Guo emulated = EMULATE_AGAIN;
800533082aeSSimon Guo break;
801533082aeSSimon Guo }
802533082aeSSimon Guo
803533082aeSSimon Guo tm_enable();
804533082aeSSimon Guo if (sprn == SPRN_TFHAR)
805533082aeSSimon Guo mtspr(SPRN_TFHAR, spr_val);
806533082aeSSimon Guo else if (sprn == SPRN_TEXASR)
807533082aeSSimon Guo mtspr(SPRN_TEXASR, spr_val);
808533082aeSSimon Guo else
809533082aeSSimon Guo mtspr(SPRN_TFIAR, spr_val);
810533082aeSSimon Guo tm_disable();
811533082aeSSimon Guo
8129916d57eSAlexander Graf break;
8139916d57eSAlexander Graf #endif
8142e23f544SAlexander Graf #endif
8152191d657SAlexander Graf case SPRN_ICTC:
8162191d657SAlexander Graf case SPRN_THRM1:
8172191d657SAlexander Graf case SPRN_THRM2:
8182191d657SAlexander Graf case SPRN_THRM3:
8192191d657SAlexander Graf case SPRN_CTRLF:
8202191d657SAlexander Graf case SPRN_CTRLT:
8212191d657SAlexander Graf case SPRN_L2CR:
822b0a94d4eSPaul Mackerras case SPRN_DSCR:
8232191d657SAlexander Graf case SPRN_MMCR0_GEKKO:
8242191d657SAlexander Graf case SPRN_MMCR1_GEKKO:
8252191d657SAlexander Graf case SPRN_PMC1_GEKKO:
8262191d657SAlexander Graf case SPRN_PMC2_GEKKO:
8272191d657SAlexander Graf case SPRN_PMC3_GEKKO:
8282191d657SAlexander Graf case SPRN_PMC4_GEKKO:
8292191d657SAlexander Graf case SPRN_WPAR_GEKKO:
830f2be6550SMihai Caraman case SPRN_MSSSR0:
831f3532028SAlexander Graf case SPRN_DABR:
832f8f6eb0dSAlexander Graf #ifdef CONFIG_PPC_BOOK3S_64
833f8f6eb0dSAlexander Graf case SPRN_MMCRS:
834f8f6eb0dSAlexander Graf case SPRN_MMCRA:
835f8f6eb0dSAlexander Graf case SPRN_MMCR0:
836f8f6eb0dSAlexander Graf case SPRN_MMCR1:
837f8f6eb0dSAlexander Graf case SPRN_MMCR2:
838fa73c3b2SThomas Huth case SPRN_UMMCR2:
8399f378b9fSAneesh Kumar K.V case SPRN_UAMOR:
8409f378b9fSAneesh Kumar K.V case SPRN_IAMR:
8419f378b9fSAneesh Kumar K.V case SPRN_AMR:
842f8f6eb0dSAlexander Graf #endif
8432191d657SAlexander Graf break;
844317a8fa3SAlexander Graf unprivileged:
8452191d657SAlexander Graf default:
846feafd13cSThomas Huth pr_info_ratelimited("KVM: invalid SPR write: %d\n", sprn);
847feafd13cSThomas Huth if (sprn & 0x10) {
848feafd13cSThomas Huth if (kvmppc_get_msr(vcpu) & MSR_PR) {
849feafd13cSThomas Huth kvmppc_core_queue_program(vcpu, SRR1_PROGPRIV);
850feafd13cSThomas Huth emulated = EMULATE_AGAIN;
851feafd13cSThomas Huth }
852feafd13cSThomas Huth } else {
853feafd13cSThomas Huth if ((kvmppc_get_msr(vcpu) & MSR_PR) || sprn == 0) {
854feafd13cSThomas Huth kvmppc_core_queue_program(vcpu, SRR1_PROGILL);
855feafd13cSThomas Huth emulated = EMULATE_AGAIN;
856feafd13cSThomas Huth }
857feafd13cSThomas Huth }
8582191d657SAlexander Graf break;
8592191d657SAlexander Graf }
8602191d657SAlexander Graf
8612191d657SAlexander Graf return emulated;
8622191d657SAlexander Graf }
8632191d657SAlexander Graf
kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu * vcpu,int sprn,ulong * spr_val)8643a167beaSAneesh Kumar K.V int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
8652191d657SAlexander Graf {
8662191d657SAlexander Graf int emulated = EMULATE_DONE;
8672191d657SAlexander Graf
8682191d657SAlexander Graf switch (sprn) {
8692191d657SAlexander Graf case SPRN_IBAT0U ... SPRN_IBAT3L:
8702191d657SAlexander Graf case SPRN_IBAT4U ... SPRN_IBAT7L:
8712191d657SAlexander Graf case SPRN_DBAT0U ... SPRN_DBAT3L:
8722191d657SAlexander Graf case SPRN_DBAT4U ... SPRN_DBAT7L:
873c1c88e2fSAlexander Graf {
874c1c88e2fSAlexander Graf struct kvmppc_bat *bat = kvmppc_find_bat(vcpu, sprn);
875c1c88e2fSAlexander Graf
876c1c88e2fSAlexander Graf if (sprn % 2)
87754771e62SAlexander Graf *spr_val = bat->raw >> 32;
878c1c88e2fSAlexander Graf else
87954771e62SAlexander Graf *spr_val = bat->raw;
880c1c88e2fSAlexander Graf
8812191d657SAlexander Graf break;
882c1c88e2fSAlexander Graf }
8832191d657SAlexander Graf case SPRN_SDR1:
884317a8fa3SAlexander Graf if (!spr_allowed(vcpu, PRIV_HYPER))
885317a8fa3SAlexander Graf goto unprivileged;
88654771e62SAlexander Graf *spr_val = to_book3s(vcpu)->sdr1;
8872191d657SAlexander Graf break;
8882191d657SAlexander Graf case SPRN_DSISR:
8895deb8e7aSAlexander Graf *spr_val = kvmppc_get_dsisr(vcpu);
8902191d657SAlexander Graf break;
8912191d657SAlexander Graf case SPRN_DAR:
8925deb8e7aSAlexander Graf *spr_val = kvmppc_get_dar(vcpu);
8932191d657SAlexander Graf break;
8942191d657SAlexander Graf case SPRN_HIOR:
89554771e62SAlexander Graf *spr_val = to_book3s(vcpu)->hior;
8962191d657SAlexander Graf break;
8972191d657SAlexander Graf case SPRN_HID0:
89854771e62SAlexander Graf *spr_val = to_book3s(vcpu)->hid[0];
8992191d657SAlexander Graf break;
9002191d657SAlexander Graf case SPRN_HID1:
90154771e62SAlexander Graf *spr_val = to_book3s(vcpu)->hid[1];
9022191d657SAlexander Graf break;
9032191d657SAlexander Graf case SPRN_HID2:
9042191d657SAlexander Graf case SPRN_HID2_GEKKO:
90554771e62SAlexander Graf *spr_val = to_book3s(vcpu)->hid[2];
9062191d657SAlexander Graf break;
9072191d657SAlexander Graf case SPRN_HID4:
9082191d657SAlexander Graf case SPRN_HID4_GEKKO:
90954771e62SAlexander Graf *spr_val = to_book3s(vcpu)->hid[4];
9102191d657SAlexander Graf break;
9112191d657SAlexander Graf case SPRN_HID5:
91254771e62SAlexander Graf *spr_val = to_book3s(vcpu)->hid[5];
9132191d657SAlexander Graf break;
914aacf9aa3SAlexander Graf case SPRN_CFAR:
915b0a94d4eSPaul Mackerras case SPRN_DSCR:
91654771e62SAlexander Graf *spr_val = 0;
917aacf9aa3SAlexander Graf break;
918b0a94d4eSPaul Mackerras case SPRN_PURR:
9193cd60e31SAneesh Kumar K.V /*
9203cd60e31SAneesh Kumar K.V * On exit we would have updated purr
9213cd60e31SAneesh Kumar K.V */
9223cd60e31SAneesh Kumar K.V *spr_val = vcpu->arch.purr;
923b0a94d4eSPaul Mackerras break;
924b0a94d4eSPaul Mackerras case SPRN_SPURR:
9253cd60e31SAneesh Kumar K.V /*
9263cd60e31SAneesh Kumar K.V * On exit we would have updated spurr
9273cd60e31SAneesh Kumar K.V */
9283cd60e31SAneesh Kumar K.V *spr_val = vcpu->arch.spurr;
929b0a94d4eSPaul Mackerras break;
9308f42ab27SAneesh Kumar K.V case SPRN_VTB:
93188b02cf9SPaul Mackerras *spr_val = to_book3s(vcpu)->vtb;
9328f42ab27SAneesh Kumar K.V break;
93306da28e7SAneesh Kumar K.V case SPRN_IC:
93406da28e7SAneesh Kumar K.V *spr_val = vcpu->arch.ic;
93506da28e7SAneesh Kumar K.V break;
9362191d657SAlexander Graf case SPRN_GQR0:
9372191d657SAlexander Graf case SPRN_GQR1:
9382191d657SAlexander Graf case SPRN_GQR2:
9392191d657SAlexander Graf case SPRN_GQR3:
9402191d657SAlexander Graf case SPRN_GQR4:
9412191d657SAlexander Graf case SPRN_GQR5:
9422191d657SAlexander Graf case SPRN_GQR6:
9432191d657SAlexander Graf case SPRN_GQR7:
94454771e62SAlexander Graf *spr_val = to_book3s(vcpu)->gqr[sprn - SPRN_GQR0];
9452191d657SAlexander Graf break;
9468e6afa36SAlexander Graf #ifdef CONFIG_PPC_BOOK3S_64
947616dff86SAlexander Graf case SPRN_FSCR:
948616dff86SAlexander Graf *spr_val = vcpu->arch.fscr;
949616dff86SAlexander Graf break;
9502e23f544SAlexander Graf case SPRN_BESCR:
9512e23f544SAlexander Graf *spr_val = vcpu->arch.bescr;
9522e23f544SAlexander Graf break;
9532e23f544SAlexander Graf case SPRN_EBBHR:
9542e23f544SAlexander Graf *spr_val = vcpu->arch.ebbhr;
9552e23f544SAlexander Graf break;
9562e23f544SAlexander Graf case SPRN_EBBRR:
9572e23f544SAlexander Graf *spr_val = vcpu->arch.ebbrr;
9582e23f544SAlexander Graf break;
9599916d57eSAlexander Graf #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
9609916d57eSAlexander Graf case SPRN_TFHAR:
9619916d57eSAlexander Graf case SPRN_TEXASR:
9629916d57eSAlexander Graf case SPRN_TFIAR:
963533082aeSSimon Guo if (!cpu_has_feature(CPU_FTR_TM))
964533082aeSSimon Guo break;
965533082aeSSimon Guo
966533082aeSSimon Guo if (!(kvmppc_get_msr(vcpu) & MSR_TM)) {
967533082aeSSimon Guo kvmppc_trigger_fac_interrupt(vcpu, FSCR_TM_LG);
968533082aeSSimon Guo emulated = EMULATE_AGAIN;
969533082aeSSimon Guo break;
970533082aeSSimon Guo }
971533082aeSSimon Guo
972533082aeSSimon Guo tm_enable();
973533082aeSSimon Guo if (sprn == SPRN_TFHAR)
974533082aeSSimon Guo *spr_val = mfspr(SPRN_TFHAR);
975533082aeSSimon Guo else if (sprn == SPRN_TEXASR)
976533082aeSSimon Guo *spr_val = mfspr(SPRN_TEXASR);
977533082aeSSimon Guo else if (sprn == SPRN_TFIAR)
978533082aeSSimon Guo *spr_val = mfspr(SPRN_TFIAR);
979533082aeSSimon Guo tm_disable();
9809916d57eSAlexander Graf break;
9819916d57eSAlexander Graf #endif
9822e23f544SAlexander Graf #endif
9832191d657SAlexander Graf case SPRN_THRM1:
9842191d657SAlexander Graf case SPRN_THRM2:
9852191d657SAlexander Graf case SPRN_THRM3:
9862191d657SAlexander Graf case SPRN_CTRLF:
9872191d657SAlexander Graf case SPRN_CTRLT:
9882191d657SAlexander Graf case SPRN_L2CR:
9892191d657SAlexander Graf case SPRN_MMCR0_GEKKO:
9902191d657SAlexander Graf case SPRN_MMCR1_GEKKO:
9912191d657SAlexander Graf case SPRN_PMC1_GEKKO:
9922191d657SAlexander Graf case SPRN_PMC2_GEKKO:
9932191d657SAlexander Graf case SPRN_PMC3_GEKKO:
9942191d657SAlexander Graf case SPRN_PMC4_GEKKO:
9952191d657SAlexander Graf case SPRN_WPAR_GEKKO:
996f2be6550SMihai Caraman case SPRN_MSSSR0:
997f3532028SAlexander Graf case SPRN_DABR:
998f8f6eb0dSAlexander Graf #ifdef CONFIG_PPC_BOOK3S_64
999f8f6eb0dSAlexander Graf case SPRN_MMCRS:
1000f8f6eb0dSAlexander Graf case SPRN_MMCRA:
1001f8f6eb0dSAlexander Graf case SPRN_MMCR0:
1002f8f6eb0dSAlexander Graf case SPRN_MMCR1:
1003f8f6eb0dSAlexander Graf case SPRN_MMCR2:
1004fa73c3b2SThomas Huth case SPRN_UMMCR2:
1005a5948fa0SAlexander Graf case SPRN_TIR:
10069f378b9fSAneesh Kumar K.V case SPRN_UAMOR:
10079f378b9fSAneesh Kumar K.V case SPRN_IAMR:
10089f378b9fSAneesh Kumar K.V case SPRN_AMR:
1009f8f6eb0dSAlexander Graf #endif
101054771e62SAlexander Graf *spr_val = 0;
10112191d657SAlexander Graf break;
10122191d657SAlexander Graf default:
1013317a8fa3SAlexander Graf unprivileged:
1014feafd13cSThomas Huth pr_info_ratelimited("KVM: invalid SPR read: %d\n", sprn);
1015feafd13cSThomas Huth if (sprn & 0x10) {
1016feafd13cSThomas Huth if (kvmppc_get_msr(vcpu) & MSR_PR) {
1017feafd13cSThomas Huth kvmppc_core_queue_program(vcpu, SRR1_PROGPRIV);
1018feafd13cSThomas Huth emulated = EMULATE_AGAIN;
1019feafd13cSThomas Huth }
1020feafd13cSThomas Huth } else {
1021feafd13cSThomas Huth if ((kvmppc_get_msr(vcpu) & MSR_PR) || sprn == 0 ||
1022feafd13cSThomas Huth sprn == 4 || sprn == 5 || sprn == 6) {
1023feafd13cSThomas Huth kvmppc_core_queue_program(vcpu, SRR1_PROGILL);
1024feafd13cSThomas Huth emulated = EMULATE_AGAIN;
1025feafd13cSThomas Huth }
1026feafd13cSThomas Huth }
1027feafd13cSThomas Huth
10282191d657SAlexander Graf break;
10292191d657SAlexander Graf }
10302191d657SAlexander Graf
10312191d657SAlexander Graf return emulated;
10322191d657SAlexander Graf }
10332191d657SAlexander Graf
kvmppc_alignment_dsisr(struct kvm_vcpu * vcpu,unsigned int inst)10342191d657SAlexander Graf u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst)
10352191d657SAlexander Graf {
1036ddca156aSAneesh Kumar K.V return make_dsisr(inst);
10372191d657SAlexander Graf }
10382191d657SAlexander Graf
kvmppc_alignment_dar(struct kvm_vcpu * vcpu,unsigned int inst)10392191d657SAlexander Graf ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst)
10402191d657SAlexander Graf {
10417310f3a5SAneesh Kumar K.V #ifdef CONFIG_PPC_BOOK3S_64
10427310f3a5SAneesh Kumar K.V /*
10437310f3a5SAneesh Kumar K.V * Linux's fix_alignment() assumes that DAR is valid, so can we
10447310f3a5SAneesh Kumar K.V */
10457310f3a5SAneesh Kumar K.V return vcpu->arch.fault_dar;
10467310f3a5SAneesh Kumar K.V #else
10472191d657SAlexander Graf ulong dar = 0;
1048c46dc9a8SAlexander Graf ulong ra = get_ra(inst);
1049c46dc9a8SAlexander Graf ulong rb = get_rb(inst);
10502191d657SAlexander Graf
10512191d657SAlexander Graf switch (get_op(inst)) {
10522191d657SAlexander Graf case OP_LFS:
10532191d657SAlexander Graf case OP_LFD:
10542191d657SAlexander Graf case OP_STFD:
10552191d657SAlexander Graf case OP_STFS:
10562191d657SAlexander Graf if (ra)
10572191d657SAlexander Graf dar = kvmppc_get_gpr(vcpu, ra);
10582191d657SAlexander Graf dar += (s32)((s16)inst);
10592191d657SAlexander Graf break;
10602191d657SAlexander Graf case 31:
10612191d657SAlexander Graf if (ra)
10622191d657SAlexander Graf dar = kvmppc_get_gpr(vcpu, ra);
1063c46dc9a8SAlexander Graf dar += kvmppc_get_gpr(vcpu, rb);
10642191d657SAlexander Graf break;
10652191d657SAlexander Graf default:
10662191d657SAlexander Graf printk(KERN_INFO "KVM: Unaligned instruction 0x%x\n", inst);
10672191d657SAlexander Graf break;
10682191d657SAlexander Graf }
10692191d657SAlexander Graf
10702191d657SAlexander Graf return dar;
10717310f3a5SAneesh Kumar K.V #endif
10722191d657SAlexander Graf }
1073